Details

Time bar (total: 19.3s)

sample62.0ms

Algorithm
intervals
Results
14.0ms51×body640valid
10.0ms225×body80nan
9.0ms36×body1280valid
7.0ms133×body80valid
4.0ms26×body320valid
1.0ms10×body160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done14
214
111
08

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.1b
(/ 1.0 (sqrt (+ x 1.0)))
0.3b
(/ 1.0 (sqrt x))
3.4b
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

rewrite234.0ms

Algorithm
rewrite-expression-head
Rules
1035×times-frac
879×*-un-lft-identity
747×add-sqr-sqrt
714×add-cube-cbrt
594×prod-diff
566×sqrt-prod
74×distribute-lft-out
54×div-inv
48×sqrt-div
46×associate-/r/
24×flip3-+ flip-+
22×fma-neg
13×associate-/r*
11×distribute-lft-out--
difference-of-squares
add-cbrt-cube add-exp-log
associate-/l* add-log-exp
pow1
expm1-log1p-u log1p-expm1-u
cbrt-undiv clear-num frac-2neg div-exp
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 diff-log frac-sub hypot-def flip--
Counts
4 → 758
Calls
4 calls:
12.0ms
(sqrt (+ x 1.0))
13.0ms
(/ 1.0 (sqrt (+ x 1.0)))
5.0ms
(/ 1.0 (sqrt x))
109.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

series372.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(sqrt (+ x 1.0))
108.0ms
(/ 1.0 (sqrt (+ x 1.0)))
50.0ms
(/ 1.0 (sqrt x))
175.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

simplify2.5s

Counts
770 → 770
Iterations
IterNodes
done5000
23579
11587
0702

prune4.6s

Pruning

27 alts after pruning (27 fresh and 0 done)

Merged error: 18.4b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.2b
(/ (- (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0)) (* (sqrt x) (sqrt (+ x 1.0))))
0.2b
(* (sqrt x) (sqrt (+ x 1.0)))
3.4b
(- (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
15×*-un-lft-identity sqrt-prod
11×add-cbrt-cube add-exp-log add-cube-cbrt
pow1
associate-*r*
sqrt-div associate-*l* add-log-exp
expm1-log1p-u associate-*r/ log1p-expm1-u unswap-sqr
sqrt-pow1 flip3-+ times-frac pow1/2 pow-prod-down flip-+ associate-/l*
cbrt-undiv flip3-- div-exp prod-exp associate-/r/ cbrt-unprod flip-- distribute-lft-out associate-/l/
rem-sqrt-square clear-num associate-/r* sub-neg frac-2neg fma-neg sqrt-unprod diff-log div-sub prod-diff *-commutative hypot-def div-inv
Counts
4 → 98
Calls
4 calls:
9.0ms
(sqrt (+ x 1.0))
47.0ms
(/ (- (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0)) (* (sqrt x) (sqrt (+ x 1.0))))
26.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
13.0ms
(- (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))

series623.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(sqrt (+ x 1.0))
340.0ms
(/ (- (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0)) (* (sqrt x) (sqrt (+ x 1.0))))
75.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
159.0ms
(- (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))

simplify1.8s

Counts
110 → 110
Iterations
IterNodes
done5005
22181
1591
0206

prune702.0ms

Pruning

22 alts after pruning (22 fresh and 0 done)

Merged error: 18.2b

localize49.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sqrt x) (sqrt (+ x 1.0)))
0.2b
(* (* 1.0 (sqrt (+ x 1.0))) (* 1.0 (sqrt (+ x 1.0))))
0.5b
(* (* (sqrt x) 1.0) (* (sqrt x) 1.0))
2.7b
(- (* (* 1.0 (sqrt (+ x 1.0))) (* 1.0 (sqrt (+ x 1.0)))) (* (* (sqrt x) 1.0) (* (sqrt x) 1.0)))

rewrite235.0ms

Algorithm
rewrite-expression-head
Rules
86×pow1
37×pow-prod-down
30×add-cbrt-cube add-exp-log
17×prod-exp cbrt-unprod
16×add-sqr-sqrt associate-*r/
14×sqrt-div
11×sqrt-prod
10×*-un-lft-identity
associate-*r*
associate-*l* pow-sqr pow-prod-up add-cube-cbrt
flip3-+ flip-+
add-log-exp
expm1-log1p-u frac-times pow-plus log1p-expm1-u unswap-sqr
*-commutative
pow2 sqrt-pow1 pow1/2 swap-sqr associate-*l/
sub-neg flip3-- fma-neg sqrt-unprod diff-log prod-diff flip-- distribute-lft-out difference-of-squares
Counts
4 → 132
Calls
4 calls:
28.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
93.0ms
(* (* 1.0 (sqrt (+ x 1.0))) (* 1.0 (sqrt (+ x 1.0))))
39.0ms
(* (* (sqrt x) 1.0) (* (sqrt x) 1.0))
71.0ms
(- (* (* 1.0 (sqrt (+ x 1.0))) (* 1.0 (sqrt (+ x 1.0)))) (* (* (sqrt x) 1.0) (* (sqrt x) 1.0)))

series181.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
44.0ms
(* (* 1.0 (sqrt (+ x 1.0))) (* 1.0 (sqrt (+ x 1.0))))
32.0ms
(* (* (sqrt x) 1.0) (* (sqrt x) 1.0))
26.0ms
(- (* (* 1.0 (sqrt (+ x 1.0))) (* 1.0 (sqrt (+ x 1.0)))) (* (* (sqrt x) 1.0) (* (sqrt x) 1.0)))

simplify1.5s

Counts
144 → 144
Iterations
IterNodes
done5003
21524
1491
0183

prune507.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.3b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))
0.1b
(* (* (sqrt x) (sqrt (+ x 1.0))) (+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0)))
0.2b
(* (sqrt x) (sqrt (+ x 1.0)))
0.2b
(/ 1.0 (* (* (sqrt x) (sqrt (+ x 1.0))) (+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))))

rewrite155.0ms

Algorithm
rewrite-expression-head
Rules
20×add-cbrt-cube add-exp-log
19×add-sqr-sqrt
18×associate-*r/
14×flip3-+ sqrt-div flip-+
13×pow1 *-un-lft-identity
11×add-cube-cbrt sqrt-prod
10×associate-*r*
frac-times associate-/r/
associate-*l* prod-exp cbrt-unprod
pow-prod-down add-log-exp
expm1-log1p-u associate-*l/ log1p-expm1-u unswap-sqr
cbrt-undiv times-frac div-exp associate-/l*
sqrt-pow1 pow1/2 *-commutative
distribute-rgt-in +-commutative clear-num associate-/r* sum-log fma-def frac-2neg distribute-lft-in sqrt-unprod div-inv distribute-lft-out
Counts
4 → 112
Calls
4 calls:
12.0ms
(+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))
66.0ms
(* (* (sqrt x) (sqrt (+ x 1.0))) (+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0)))
20.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
53.0ms
(/ 1.0 (* (* (sqrt x) (sqrt (+ x 1.0))) (+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))))

series999.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))
280.0ms
(* (* (sqrt x) (sqrt (+ x 1.0))) (+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0)))
61.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
558.0ms
(/ 1.0 (* (* (sqrt x) (sqrt (+ x 1.0))) (+ (* 1.0 (sqrt (+ x 1.0))) (* (sqrt x) 1.0))))

simplify2.3s

Counts
124 → 124
Iterations
IterNodes
done5002
23341
1849
0272

prune464.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 0.0b

regimes95.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done18
118
012

end0.0ms

sample1.7s

Algorithm
intervals
Results
580.0ms7962×body80nan
354.0ms1862×body640valid
249.0ms1143×body1280valid
166.0ms4043×body80valid
91.0ms630×body320valid
21.0ms322×body160valid